LLM Guard
Open-source input and output scanners for securing LLM apps against prompt injection, PII, and toxicity
LLM Guard is an open-source security toolkit for LLM applications, maintained by Protect AI. It wraps model calls with input scanners (prompt injection, toxicity, secrets, code, banned topics) and output scanners (toxicity, bias, sensitive data, relevance, factual consistency).
It sanitizes prompts, detects harmful language, and prevents data leakage, installable via pip for production use. Protect AI was acquired by Palo Alto Networks. MIT licensed.
Pricing: Free
LLM Guard Alternatives
Explore 41 products in the Observability & Analytics category. View all LLM Guard alternatives.
Helicone
Open-source LLM observability platform for monitoring, debugging, and improving AI applications.
Langfuse
Traces, evals, prompt management and metrics to debug and improve your LLM application.
Work on LLM Guard? Feature it at the top of Observability & Analytics.
Is your product missing?